Daily Practice

Foundation

8th April 1969

5 questions · 11 marks · Grades 3-4 · 87 question types in this band

1
Error Intervals2 marks
A length x is 16.8 cm, rounded to 1 decimal place. Write down the error interval for x.
2
Substitution2 marks
Work out the value of 5x + 7 when x = 8.
3
Exchange Rates2 marks
£1 is worth 1.24 US dollars. Convert 825 US dollars into pounds. Give your answer to the nearest penny.
4
Angles2 marks
An isosceles triangle has an apex angle of 82°. Work out one of the two equal base angles.
5
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 250 times. How many heads would you expect?

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